357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
Email:
nelsales@nelfc.com
www.nelfc.com
SN-A2970 Series
Continued
Differential Positive ECL (DPECL)
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Frequency
Duty Cycle -----
Logic 0
(2)
Logic 1
(2)
Rise & Fall Time
Jitter, RMS
(3)
Enable Voltage
(4)
Disable Voltage
Frequency Stability
(1)
dF/F
Symbol
-----
Conditions
-----
@ 50% points 45/55% -----
-----
V
-----
tr,tf 20-80%V
O
with 50 ohm load to V
CC
-2V ----- 300 psec
-----
-----
----
with V
EE
=0V
-----
with V
=0V
Overall conditions including:
voltage, calibration, temp.,
10 yr aging, shock, vibration
General Characteristics
Min
671.0MHz -----
Typical
Max
1.7GHz
55/45%
V
CC
-1.60V
V
-0.74V
400 psec
-----
1.0V
V
+100ppm
V
OL
V
CC
-1.95V -----
V
-1.02V -----
-----
0V
3.0V
-100ppm
3 psec
-----
-----
-----
Parameter
Supply Voltage
Supply Current
Symbol
V
CC
I
CC
Conditions
-----
50 ohm termination
To 2.00V below V
Low level Output Current 0.0 mA -----
------
-----
Min
3.135V 3.3V
0.0 mA
Typical
Max
3.465V
300 mA
-----
Output current
Operating temperature
Storage temperature
Input: Logic High (ECL) - Disables
V
or Open - Enables
Lead temperature
Load
Start-up time
I
O
T
A
T
±50.0 mA
70°C
125°C
0°C -----
-55°C -----
T
50 Ohm to V
CC
-2V or Thevenin Equivalent, Bias Required
t
S
-----
Soldering, 10 sec. -----
-----
300°C
-----
2 ms
10 ms
Environmental and Mechanical Characteristics
Mechanical Shock
Thermal Shock
Vibration
Soldering Condition
Hermetic Seal
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-833, Method 1011, Condition A
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55Hz to 2000 Hz
300°C for 10 seconds
Leak rate less than 1 x 10
-8
atm.cc/sec of helium
Footnotes:
1) Standard frequency stability (±20,±25,±50ppm & others available)
2) V
, V
, referenced to ground
3) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
4) Open to Enable pin also enables to output.
Rev. B
CRYSTAL CLOCK OSCILLATORS
SN - A297X - FREQ
Package Code
HN Leaded 8 pin (16pin)
SN 8 pin (16 pin) SMD Gull
Wing
Input Voltage
Code Specification
A 3.3V
5V
Tolerance/Performance
0 ±100ppm 0-70°C
1 ±50ppm 0-70°C
7 ±25ppm 0-70°C
9 Customer Specific
A ±20ppm 0-70°C
B ±50ppm -40 to +85°C
C ±100ppm -40 to +85°C
Creating a Part Number
Data Sheet 0325B